|Shipyard||A.G. Weser, Bremen (Werk 296)|
|Ordered||28 Feb 1917|
|Laid down||13 Jul 1917|
|Launched||2 Mar 1918|
|Commissioned||6 Apr 1918|
|Successes||1 ship sunk with a total of 2,646 tons.|
1 ship damaged with a total of 4,095 tons.
3 ships taken as prize with a total of 3,530 tons. (View ships hit by UB 123)
|Fate||19 Oct 1918 - Most likely mined in the Northern Barrage. 36 dead (all hands lost).|
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